adstratum

 
Pronunciation: /ˈadstrɑːtəm, adˈstrɑːtəm/

noun (plural adstrata)

Linguistics
  • a language or group of elements within it that is responsible for changes in a neighbouring language.

Derivatives

adstrate

adjective

Origin:

1930s: modern Latin, from Latin ad 'to' + stratum 'something laid down'